VCO 3D
Dual VCO based on the
Moog Rogue oscillators.
Features...
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Two wide range VCOs
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Saw and Varable PW
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Syncable
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On board chip heater
may be disabled in
favor or 1K tempcos
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+/-12 or +/- 15V
The VCO3d is supplied with tempco resistors however there is a chip-heater option on
the board.
Chip-Heater
To use the chip-heater option the three spaces on the board marked for TC , TC and TC-
R are not used. All parts and jumpers are installed. Turn the unit on. After about five
minutes warmup adjust trimmer R7 until U5 pins 5 and 6 are equal. About +0.67VDC.
Tempco Resistors
